Hair dye composition containing a 4'-amino-2-halogen-4-{bis-(-hydroxyethyl)amino} azobenzene compound
AssigneeWella Aktiengesellschaft
InventorHans J. Braun
Life of this patent
Estimating the term…
Abstract
The compositions for dyeing hair contains at least one 4'- amino-2-halogen-4-[bis-(.beta.-hydroxyethyl)amino]azobenzene. The hair dye compositions according to the invention have a good resistance to acids and provide a wide assortment of natural and fashion shades.
Claims10
Composition for dyeing hair containing at least one conventional ingredient for hair dye compositions selected from the group consisting of solvents, preservatives, perfume oils, synthetic emulsifiers, thickeners, and grooming materials, and from about 0.01 to 3.0 percent by weight of at least one [4'-amino-2-halogen-4-(bis-(.beta.-hydroxyethylamino]azobenzene]4'-amino-2 -halogen-4-{bis-(.beta.-hydroxyethyl)amino}azobenzene of the formula (I) ##STR11## where X is selected from the group consisting of fluorine, chlorine and bromine.
Dependencies are inferred from the claim text.